I installed os on usb and problem has come

i installed os on usb, system start and work very quick and smooth but after mount any usb device to my laptop, my usb with system is unmount and os freezing all icons gone and menu not working im sorry if ive opened same subject again if anyone has got same problem plese post thank you so much im try hard migrate from windows to linux thank you for your help

Hi @metabarone,

what version of Ubuntu Mate are you using?:

Have you done a full system update?:

Did you follow this advice about formatting your USB stick?:

See also: